CN1766322B - Damping device of reciprocating compressor - Google Patents
Damping device of reciprocating compressor Download PDFInfo
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- CN1766322B CN1766322B CN 200410072402 CN200410072402A CN1766322B CN 1766322 B CN1766322 B CN 1766322B CN 200410072402 CN200410072402 CN 200410072402 CN 200410072402 A CN200410072402 A CN 200410072402A CN 1766322 B CN1766322 B CN 1766322B
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Abstract
The invention discloses a damping device of reciprocal compressor, which comprises the following parts: compressor body, loop pipe and gas outlet pipe, wherein the piston is connected on the rotor of reciprocal motor to do line reciprocal movement, which compresses the sucked coolant to drain; the loop pipe is connected to the drainage side of compressor body, which reduces the vibration; the gas outlet pipe is connected to the terminal of loop pipe, which pierces on the compressor case; the loop pipe is composed of gas guiding pipe and coil quality body; the spiral face touching groove is formed on the circumference face of gas guiding pipe in connection with the outlet side of compressor body and gas outlet pipe; the coil quality body wraps the face touching groove glidingly; when the fiction area of gas guiding pipe and coil quality body is increased, it will reduce the vibration of compression system to decrease the compressor noise obviously.
Description
Technical field
The invention relates to compressor, particularly a kind of damping device of reciprocal compressor.
Background technique
In general, the inside of the shell of reciprocal compressor has reciprocating compressor and motor, sucks and compress the circulation means of discharge refrigerant.Produce linear vibrations in the process that such reciprocal compressor is discharged behind suction, compression refrigerant gas.The shock transfer of Chan Shenging causes compressor noise to compressor case like this.Usually the discharge side of compressor connects gas outlet pipe with the loop pipe with shock sucking function, thereby reduces the vibrating noise of compressor.
Fig. 1 has reciprocal compressor one embodiment's of loop pipe generalized section for prior art; Fig. 2 is the schematic perspective view of the vibrating state of prior art loop pipe.As shown in the figure, in the existing reciprocal compressor, be provided with frame structure 20 in shell 10 inside; Frame structure 20 is provided with reciprocable machine 30; Also be provided with combining along straight line toward the mover 33 of double action motor 30 suck reciprocating the time, compression and discharge the compression system 40 of fluid; Between frame structure 20 and compression system 40, be provided with the resonant spring device 50 that makes compression system 40 that resonance motion take place.
Shell 10 is provided with the gas suction pipe SP and the gas outlet pipe 70 that the cold media air of compression is discharged to cold moving system that sucks cold media air from cold moving system (not illustrating the figure).Wherein gas outlet pipe 70 is connected the discharge space D of compression system 40 by loop pipe 80.
As shown in Figure 2, loop pipe 80 is made of gas channeling pipe 82 and mass of coil body 81, and gas channeling pipe 82 forms smooth tubes, connects the discharge space D and the gas outlet pipe 70 of compression system 40; Mass of coil body 81 is wrapped in gas channeling pipe 82 and absorbs the vibrations that are delivered to shell 10 by compression system 40.
The following describes the course of action of above-mentioned prior art reciprocal compressor.
After reciprocable machine 30 was connected power supplys, piston 42 was done straight reciprocating motion with the mover 33 of reciprocable machine 30, and the compression volume P to cylinder 41 sucks, discharges behind the compression refrigerant gas again simultaneously, and this a succession of process repeatedly.
At this moment, the vibrations that produce on reciprocable machine 30 and compression system 40 are delivered to shell 10 by gas channeling pipe 82, but as shown in Figure 2, the mass of coil body 81 of this compressor vibrations by being wrapped in gas channeling pipe 82 outer circumferential faces and gas channeling pipe 82 mutually between the wire rod of mutual friction or mass of coil body 81 the phase mutual friction offset.
But, in the above-mentioned existing reciprocal compressor, gas channeling pipe 82 forms smooth tubes, and movable contact forms circular cross-sectional shape at the mass of coil body 81 of gas channeling pipe 82, in fact rolling between each wire rod of the outer circumferential face of gas channeling pipe 82 and mass of coil body 81 contact and area of contact diminishes, thereby can not eliminate the vibrations by loop pipe 80 transmission effectively.
Summary of the invention
Technical problem to be solved by this invention is, a kind of damping device of reciprocal compressor is provided, the area of contact between enlargement gas guide pipe and the mass of coil body, and can improve the damping effect of loop pipe.
To achieve these goals, the technical solution used in the present invention is: reciprocal compressor of the present invention comprises compressor body, loop pipe, gas outlet pipe constitutes, compressor body has and is flexibly supported, mover is done straight reciprocating motion, on the mover of reciprocable machine in conjunction with piston, piston is done straight reciprocating motion on cylinder, suck also simultaneously and discharge behind the compression refrigerant gas, loop pipe is connected the discharge side of compressor body, in the inner vibrations that reduce compressor body of compressor, gas outlet pipe is connected the end of loop pipe, run through and be combined on the compressor case, it is characterized in that, loop pipe in the reciprocal compressor damping device is made of gas channeling pipe and mass of coil body, is formed with spiral-shaped face contact groove on the outer circumferential face of gas channeling pipe, connects the discharge side and the gas outlet pipe of compressor body, the mass of coil body contacts groove with spiral-shaped winding along the face of gas channeling pipe, and slidably.
Above-mentioned contact flute profile section shape in the arc-shaped, the mass of coil body forms circular cross-sectional shape corresponding to face contact groove.
Above-mentioned contact groove forms the section shape with several angle, and the mass of coil body forms the section shape with several angle corresponding to face contact groove.
Above-mentioned loop pipe is made of gas channeling pipe and mass of coil body, it is characterized in that, the outer circumferential face of gas channeling pipe forms the smooth tubes shape, the discharge side and the gas outlet pipe that connect compressor body, the mass of coil body forms the section shape that can contact with the outer circumferential face face of gas channeling pipe, with spiral-shaped winding, and slidably.
Above-mentioned loop pipe is made of gas channeling pipe and mass of coil body, the outer circumferential face of gas channeling pipe forms the smooth tubes shape and connects the discharge side and the gas outlet pipe of compressor body, it is characterized in that, described mass of coil body forms the cutting face that can contact with the outer circumferential face face of gas channeling pipe, with spiral-shaped winding, and slidably.
Beneficial effect of the present invention, damping device according to reciprocal compressor of the present invention, form several angle owing on the gas channeling pipe, formed the shape of face contact groove or mass of coil body, thereby increase the friction area between gas channeling pipe and the mass of coil body, and can reduce the vibrations of transmitting thus effectively, finally can reduce compressor noise significantly from compression system.
Description of drawings
Fig. 1 has reciprocal compressor one embodiment's of loop pipe generalized section for prior art,
Fig. 2 is the schematic perspective view of the vibrating state of prior art loop pipe,
Fig. 3 has reciprocal compressor one embodiment's of loop pipe generalized section for the present invention,
Fig. 4 is the schematic perspective view of the vibrating state of loop pipe of the present invention,
Fig. 5 and Fig. 6 are the schematic perspective view of the vibrating state of loop pipe variation of the present invention.
Among the figure:
10: shell 20: frame structure
30: past double action motor 40: compression system
50: resonant spring parts 100,200,300: loop pipe
110,210,310: gas channeling pipe 111: face contact groove
120,220,320: mass of coil body 321: cutting face
Embodiment
Below in conjunction with the drawings and specific embodiments the present invention is described in further detail: Fig. 3 is reciprocal compressor one embodiment's of loop pipe of the present invention generalized section; Fig. 4 is the schematic perspective view of the vibrating state of loop pipe of the present invention.As shown in the figure, the reciprocal compressor of loop pipe of the present invention is made of shell 10, frame structure 20, reciprocable machine 30, compression system 40, resonant spring device 50, loop pipe 100, runs through on the shell 10 to be provided with gas suction pipe SP and gas outlet pipe DP; Frame structure 20 flexibly is arranged on the inside of shell 10; Be arranged on the frame structure 20 toward double action motor 30, and mover 33 is reciprocating along straight line; Piston 42 in the compression system 40 combines with the mover 33 of reciprocable machine 30, and this work match 42 does straight reciprocating motion in the inside of cylinder 41, sucks, compresses and discharge the cooled coal gas body simultaneously; Resonant spring device 50 is arranged between frame structure 20 and the compression system 40, makes compression system 40 that resonance motion take place; By loop pipe 100, the discharge side of compression system is communicated with gas outlet pipe 70.
As shown in Figure 4, loop pipe 100 is made of gas channeling pipe 110 and mass of coil body 120, and gas channeling pipe 110 is made by metal material, and the discharge side of compression system 40 and gas outlet pipe 70 are interconnected, and guides pressurized gas; Mass of coil body 120 is slidably inserted into mutually on the outer circumferential face of gas channeling pipe 110.
Mass of coil body 120 twines the lametta material of circular cross-sectional shape or four angle sections shapes as helical spring, and contacts on the groove 111 with the spiral-shaped face that is inserted into above-mentioned gas guide pipe 110 slidably.
Used same figure number for identical structure in the drawing.Figure number 21 among the figure and 22 and 23 is front side, centre and rear frame; 31 and 32 is the outside and inside stator; 43 is inhaling valve; 44 is discharge valve; 45 is valve spring; 46 for discharging cover cap; 51 and 52 is front side and rear side resonant spring; P is a compression volume; D is for discharging the space.
The damping device of aforesaid reciprocal compressor of the present invention has following effect.
Behind stator 31, the 32 connection power supplys of double action motor 30, piston 42 is done straight reciprocating motion by resonant spring device 50 in cylinder 41 inside with the mover 33 toward double action motor 30, simultaneously suck, discharge again behind the compression refrigerant gas to compression volume P, and this a succession of process repeatedly.
At this moment, the vibrations that on reciprocable machine 30 and compression system 40, produce, after being delivered to shell 10 by gas channeling pipe 110, might increase the weight of the vibrations of compressor, but as shown in Figure 3, owing on the contact of the face on the outer circumferential face of gas channeling pipe 110 groove 111, inserted mass of coil body 120, thereby, offset the vibrations of compressor by the friction between gas channeling pipe 110 and the mass of coil body 120.In addition as shown in Figure 4, formation face contact groove 111 on the outer circumferential face of gas channeling pipe 110, and when the mass of coil body 120 of contact is therewith contacted groove 111 faces and inserts contiguously with face, friction area between gas channeling pipe 110 and the mass of coil body 120 increases greatly, can reduce the vibrations of compressor significantly.
Another embodiment of the damping device of reciprocal compressor has following effect according to the present invention.Among the embodiment on the outer circumferential face of gas channeling pipe 110 with spiral-shaped formation face contact groove 111, on face contact groove 111 spirality ground, insert mass of coil body 120 slidably.As shown in Figure 5 and Figure 6, when gas channeling pipe 210,310 forms the smooth tubes shape in the present embodiment, mass of coil body 220,320 forms four angle sections shapes, or on inner peripheral surface, form cutting face 321, thereby increase the area of contact between gas channeling pipe 210,310 and the mass of coil body 220,320.
At this moment, owing to the friction area that has increased between gas channeling pipe 210,310 and the mass of coil body 220,320, offset the vibrations that are delivered to compressor case 10 from compressor body, thereby can reduce the vibrating noise of compressor effectively.
In addition, loop pipe in the reciprocal compressor damping device of the present invention is made of gas channeling pipe and mass of coil body, the outer circumferential face of gas channeling pipe forms the smooth tubes shape, the discharge side and the gas outlet pipe that connect compressor body, the mass of coil body forms the section shape that can contact with the outer circumferential face face of gas channeling pipe, with spiral-shaped winding, and slidably.
Another embodiment, loop pipe in the reciprocal compressor damping device of the present invention is made of gas channeling pipe and mass of coil body, the outer circumferential face of gas channeling pipe forms the smooth tubes shape and connects the discharge side and the gas outlet pipe of compressor body, the mass of coil body forms the cutting face that can contact with the outer circumferential face face of gas channeling pipe, with spiral-shaped winding, and slidably.
Claims (5)
1. the damping device of a reciprocal compressor, comprise compressor body, loop pipe, gas outlet pipe, frame structure flexibly is arranged on the inside of shell, be arranged on the frame structure toward the double action motor, and mover is reciprocating along straight line, on the mover of reciprocable machine in conjunction with piston, piston is done straight reciprocating motion on cylinder, suck also simultaneously and discharge behind the compression refrigerant gas, loop pipe is connected the discharge side of compressor body, in the inner vibrations that reduce compressor body of compressor, gas outlet pipe is connected the end of loop pipe, run through being combined on the compressor case, it is characterized in that, the loop pipe in the reciprocal compressor damping device is made of gas channeling pipe and mass of coil body, be formed with spiral-shaped face contact groove on the outer circumferential face of gas channeling pipe, the discharge side and the gas outlet pipe that connect compressor body, the mass of coil body contacts groove with spiral-shaped winding along the face of gas channeling pipe, and slidably.
2. according to the damping device of right request item 1 described reciprocal compressor, it is characterized in that, face contact flute profile section shape in the arc-shaped, the mass of coil body forms circular cross-sectional shape corresponding to face contact groove.
3. according to the damping device of right request item 1 described reciprocal compressor, it is characterized in that face contact groove forms the section shape with several angle, the mass of coil body forms the section shape with several angle corresponding to face contact groove.
4. the damping device of a reciprocal compressor, comprise compressor body, loop pipe, gas outlet pipe, frame structure flexibly is arranged on the inside of shell, be arranged on the frame structure toward the double action motor, and mover is reciprocating along straight line, on the mover of reciprocable machine in conjunction with piston, piston is done straight reciprocating motion on cylinder, suck also simultaneously and discharge behind the compression refrigerant gas, loop pipe is connected the discharge side of compressor body, in the inner vibrations that reduce compressor body of compressor, gas outlet pipe is connected the end of loop pipe, runs through to be combined on the compressor case, and loop pipe is made of gas channeling pipe and mass of coil body, it is characterized in that, the outer circumferential face of gas channeling pipe forms the smooth tubes shape, connects the discharge side and the gas outlet pipe of compressor body, and the mass of coil body forms the section shape that can contact with the outer circumferential face face of gas channeling pipe, with spiral-shaped winding, and slidably.
5. the damping device of a reciprocal compressor, comprise compressor body, loop pipe, gas outlet pipe, frame structure flexibly is arranged on the inside of shell, be arranged on the frame structure toward the double action motor, and mover is reciprocating along straight line, on the mover of reciprocable machine in conjunction with piston, piston is done straight reciprocating motion on cylinder, suck also simultaneously and discharge behind the compression refrigerant gas, loop pipe is connected the discharge side of compressor body, in the inner vibrations that reduce compressor body of compressor, gas outlet pipe is connected the end of loop pipe, run through being combined on the compressor case, loop pipe is made of gas channeling pipe and mass of coil body, it is characterized in that, the outer circumferential face of gas channeling pipe forms the smooth tubes shape and connects the discharge side and the gas outlet pipe of compressor body, described mass of coil body forms the cutting face that can contact with the outer circumferential face face of gas channeling pipe, with spiral-shaped winding, and slidably.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410072402 CN1766322B (en) | 2004-10-27 | 2004-10-27 | Damping device of reciprocating compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410072402 CN1766322B (en) | 2004-10-27 | 2004-10-27 | Damping device of reciprocating compressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1766322A CN1766322A (en) | 2006-05-03 |
| CN1766322B true CN1766322B (en) | 2010-04-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410072402 Expired - Fee Related CN1766322B (en) | 2004-10-27 | 2004-10-27 | Damping device of reciprocating compressor |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR102238349B1 (en) * | 2016-05-03 | 2021-04-09 | 엘지전자 주식회사 | linear compressor |
| CN108916157B (en) * | 2018-08-03 | 2020-04-03 | 马鞍山市金工机械有限公司 | Material pressing oil cylinder with characteristics of easy disassembly and adjustable buffering |
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Owner name: TAIZHOU LG ELECTRONICS FREEZER CO., LTD. Free format text: FORMER OWNER: LG ELECTRONICS (TIANJIN) ELECTRICAL APPLIANCE CO., LTD. Effective date: 20100419 |
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Effective date of registration: 20100419 Address after: 225300 Yingbin Road, Taizhou Economic Development Zone, No. 2 Applicant after: Taizhou LG Electronics Refrigerator Co., Ltd. Address before: 300402 Tianjin city Beichen District Xingdian Road Applicant before: Lejin Electronic and Electric Appliance Co., Ltd. (Tianjin) |
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Granted publication date: 20100428 Termination date: 20111027 |